ceph/src/boost/libs/test/include/boost/test/utils/custom_manip.hpp

   1 //  (C) Copyright Gennadiy Rozental 2001.
   2 //  Distributed under the Boost Software License, Version 1.0.
   3 //  (See accompanying file LICENSE_1_0.txt or copy at
   4 //  http://www.boost.org/LICENSE_1_0.txt)
   5
   6 //  See http://www.boost.org/libs/test for the library home page.
   7 //
   8 //  File        : $RCSfile$
   9 //
  10 //  Version     : $Revision$
  11 //
  12 //  Description : simple helpers for creating cusom output manipulators
  13 // ***************************************************************************
  14
  15 #ifndef BOOST_TEST_UTILS_CUSTOM_MANIP_HPP
  16 #define BOOST_TEST_UTILS_CUSTOM_MANIP_HPP
  17
  18 // STL
  19 #include <iosfwd>
  20
  21 #include <boost/test/detail/suppress_warnings.hpp>
  22
  23 //____________________________________________________________________________//
  24
  25 namespace boost {
  26 namespace unit_test {
  27 namespace utils {
  28
  29 // ************************************************************************** //
  30 // **************          custom manipulators helpers         ************** //
  31 // ************************************************************************** //
  32
  33 template<typename Manip>
  34 struct custom_printer {
  35     explicit custom_printer( std::ostream& ostr ) : m_ostr( &ostr ) {}
  36
  37     std::ostream& operator*() const { return *m_ostr; }
  38
  39 private:
  40     std::ostream* const m_ostr;
  41 };
  42
  43 //____________________________________________________________________________//
  44
  45 template<typename Uniq> struct custom_manip {};
  46
  47 //____________________________________________________________________________//
  48
  49 template<typename Uniq>
  50 inline custom_printer<custom_manip<Uniq> >
  51 operator<<( std::ostream& ostr, custom_manip<Uniq> const& ) { return custom_printer<custom_manip<Uniq> >( ostr ); }
  52
  53 //____________________________________________________________________________//
  54
  55 } // namespace utils
  56 } // namespace unit_test
  57 } // namespace boost
  58
  59 #include <boost/test/detail/enable_warnings.hpp>
  60
  61 #endif // BOOST_TEST_UTILS_CUSTOM_MANIP_HPP